Wood-planer for narrow work.



Bleed.

PatentedMaj 11, 1909.

3 sums-51131;: 1

0. w. 11. noon. WOOD PLANEB P03 NARROW WORK.

LPYLIOI'IIOK, FILED APR. 18; 1908.

G. W. H. BLOQD. WOOD PLLNBR FOB NAB-BOW WORK,

V AYILIOATIOI FILED Fl-18,1908. Patented 11 383231? 8.

' I Q V hi'or'i V Ch -26 21/ Hi;z00. mud 1M y l D STATES OF CE-"* CHARLES 11. BLOOD, OF \YIXTHROI; MASSACHUSETTS, ASSIGNOR'TO A. WOODS M'AQH'INE v COMPANY, OF BOSTON,- MASSACHL'SETTS.

No.920,904. I Specification ofLett'e'rs Patent. Pate ted May-11, 1909.

Application filed April 18, 1908. Serial No. 427,930.

To all whom it may concern: shal't and couple the two parts yieidingiy I f Be it, known that 1, CHARLES W. H. llnoon, so that the operator can uncouple the I a citizen of the United States, residing at 1 cultcrhead and turn it around by hand for y n; Winthrop, in the county of Sutl'olk and 1 care ful inspection when desired, and so that v State of Massachusetts, have invented anfl the etliciency of the machine may be in- 60 i Improvement in \Vo0d lhiners for Narrow creased by preventing the vibrations of the fork, of which the following dcscription,i iltll pulley being commnnicated. to the in connection with the accompanying draw- I cutter-heath inasmuch as it is a primary obings, a. specification, like numerals on the ject of my invention to provide mechanism a 1o drawings representing like parts. I which will greatly increase the duration of on 4 ln planing narrow stock such as t looi'ingfl time that the planer may be run without only a small portion of the cutterhead removing the cutterhead. To facilitate the knives are originally brought into use, and longitudinal adjustment. of my invention, as the narrow stock is fed continuously and the chip breaker is preferabhi' mounted on '15 rapidly between the upper and lower eutterthe back portion of the head or standard 7 heads it gradually (hills and \YEtlYliilWtiJ E and does not move transversely with the this narrow portion or small extent oi. the 1 cuttcrheadi so that the latter has more free, cutter knives, so that in the ordinary coni delicate and'accnrate adjustment. struction it is necessary on this account to i My invention includes further detailed stop the machine and remove the cutterimprovements, allot which will be pointed heads to renew or sharpen the knives at, out in the course of the following explanafrequentintervals. tion or the more important features of the Accordingly my invention consists in invention. providing the means hereinafter set forth in the drawings, Figure 1 shows in end whereby the cutter heads may be riin on elevation a portion of a wood planer con narrow stock withoutreinoval "for a much structed according to my invention, parts. longer time than heretofore, my invention being broken away for clearncss of 'illii.-.-- enabling the knives tobe renewed when still tration; Fig. 2 is a front elevation thereof. l

running.- partly broken away and sectioned; and 1- ig. I employ entterheads having long straight 3 is an end elevation of the upper portion knives, and provide means for longitudiof the head oiflstandard provided for the nally shifting the cutter-head while still runi upper cutter-head. ning, so as to renew the cut 'ing surface or The bed. 1 and the general comb-action oi bring a fresh cutting surface into operative. the planer may be of any usual or preferred position as the previous sin-tare begins to 5 hianh. The upper cuiierhead is indicated at get dull or worn. To this end i-have made 2 :illtl the lower cntterhcad at 3 and in the the cutterliead carrying means in t ogpieces, :u-coiupanying drawings it will beunderone provided with the necessary vertical i stood that many oi? ilie-a .-ce. oric.- and conadjustment for dill'erent thicknesses of stock 1 strnciional details are omitted. in the head 40 and the other having a t'ansverse adjustt or standard l provided for the upper cnimen'tfor giving the cntterhead the longil lei-head l mount a vertically sliding plautudinal movement necessary in order to reor supporting member I) normally clamped new the cutting surface of the knives adjacent each end by a locking rod .3 a. stated. I Tlie'adjnsting means permits the tin-ted by a crank T. to tighten a nap r and lateral or longitudinal siifting of the holding bolt U secured in the back ol' the cutterhead at any time while the machine is supporting member 5. The face of the hul running, so as to presenta fresh knit'el ter has undercut ways it) which provide a surface to the work. To obtain the" del dove-tailed groove for llt'c'fl'lllg a -ni'i'csired longitudinal movement without shiftspondingly shaped back portion ll, of a ing the beltor pulley I provide a telescopfront carrier plate 1-2 in which th miller head .2 h mounted. lhis dove-hailed aring connection between the driving sha t v, and belt pulley, which permits the driving it rangemcut ur lidc mounting oS' the can't-vi shaft to move longitudinally without chang- 3 plate 12 provides a transvciie or lnngun. v

i, ing the position of the belt pulley. Also I i'stll nnicment tor the cuttei-tzi-ad tins it split or divide transversely the driving longuwhnal movement. may be ellcrlcd in He various ways but preferably I provide a true itwith the axis of the cutterheatL-and' bolt 13 having shoulders H at its outer end by turningthe bolt 38 in one direction and for nunutaming it against lon it-udinal 1-1110 bolts 40,, 41 in an oppesite direction, 1 movement in a' bracket 1:) boite to the said pulley and journal box may be adjustplate ,5, see Figs. Land 2', and-provided 'ed-tup or down in parallelism to itself, and 70 with any suitable means for permitting it by-means of the bolts 42' the oulley'and its? to be turned, being herein'. shown as having 3 journal .yok'e may be move -in and out 3 either in parallelism to itself or. angularl a squared head 16. The supporting plate 5 may be dj t d-l as may-be desired. The journal box itself 1 up and down by any suitable means, that may be'ot any constructionpreferred,being 75' herein shown consisting of upwardly exherein a h v ng-@ 1 Portion tending threaded rods 17 engaging heavy l fi ing outlier-back p'ort-iontltt-seonrcd by 1 fixed nuts or sleeves 18 at the back of the n g h l E 4 h l r plste 5 and provided wiflybveled gears 19 -"terhead is also, provided with the Same 4 t h i l w nd engaging corresponding movements as the upper cutterhead, being 80 gears 20 on a horizontal Shaft; who e o t l mounted, in a bloek'iti having longitudinally end 21 is arranged to b engaged by a r k sliding dove-tailed engagement. with a bed or wrench for -acc'omplishing the desired block 47 on which it mpved by a bolt 3. a turning for said vertical adjustment: v the. same as the bolt moves the 'npper 20 Th u fld i e u d an-1 d .in' .block, said block 47 bemg raised .vertically85 preferably pro- A nsual hip usual manner on a shaft 22 driven b3 arbelt byj l 4:9 PIQVi R- wi Worms 50 Buggingi, pulley 23 said shaft being1 journale in the- Ange shaft; 51.

cutterhead carrier'12 an breaker 52 is carried by the vided at its outer end with a'hand wheel 24. e y t l, ha ing. at each end a 25 The shaft 22 instead of extending directly bracket 53 pi e i 544m an m 55 Piv to the pulley 23, terminates at, 25 where it ed at 56'o ne said standard, said chip breaker is provided with a pin 26 to enter a slot2." being adjusted at each end by a bolti i'l' in a coupling 28 fast on a shaft '29, an oliset, pivoted at 58 thereto. and normally held 30 being pieierably'provided for interlockdown In 's g g men y h m so .i h t -w' th' aid i 26 Th h ft; 59 by a COIlCLl -SPIIHg 6O promoting; real- 29 h l o i k d ti ith a wardlylfromthe vertically movable plate 5' -hollow portion or sleeve 31, to which the so as to move upward or downward with 'nlley 23 is made fast, a wear plate or said plate when t hecutterhead and its dritlining 32 being pre'ierably'interposed d. mg means are adpistedby the screws 1-7. I 35 the drawing showing oiling cavit1es33 and lnulse lct It be PP that uslllll UH. oil delivering rings 34. By having the row floormgisbeing planed, 5 that ny drivin shaft thus arranged it, i vid nt, a small narrow portion of the-mn'lverhead I that he cutter-head 'may be slid longitudi-- knives is used, which wo l o in ri y 1enally back and forth without'requiring any qmrea frequent-stopping of the machine 4 changev of osition or adjustment of the t0 gy BQ W the n v s- In my 10!!- drivin pul ey, thereby permitting the latstruction as soon'as the operator se s that. ter to lie mounted in unchanging position the cutterheads are-gett-zn dull or word at, 'as required. for high speed movement. The the narrow plat-e where ,they engage the dividing of the driving shaft into two 'p'arts stock, hes mply turns the ad ustmg bein- 1 45 coupled together as explained, prevents the so as to shgletbe cutter-head along l0figl tu- 1 1-fi transmission to the cutterhead of any 05- 'dinally sufiicientlyto bring a new cutting sible vibration which the driving pulley -su rface into '2 V j may have. It is vitally essential, for the I41li".\'.\!'t.' l)8 Shin l ad usts toe-lower eutropcr running of the cuttchead, that the terhead by means 01; the Slililifii adjttfilllflg ilriving pulley and its connections with the bolted.- lle accomplishes this without stop- 5 'cutterhead .shall be true and stable,-and acping the machine 1l1 l'l'|E.- slightesu and recordingl-y, besides the constructional details. posts. the operation as often. as the kn ves alreadyexplained, I provide the supportl get dull, until the eutterhead has been tram 1 ing yoke 35 of said pulley with a 3-po nt erscd through its entire rangc'o'f long-nu- 55 support, the'back 36 of said yoke being i tlmalrnmement.

. herein shown as having its; upper beveled t Mynmentloh ithe pe t f) run edge 37 centrally engaged by a set bolt 38 i the ma hine at lugh speed without Interand its beveled lo edge or edges 39 en- "ruptmn, lllut hilit' il as he can readily renew gaged at the oppos lit-Hon: corners by set the knives v. a, can readily brniga new cut- 60 bolt 40, 41. Also preferably brilts 42 are ting surface,into operative posit on, bbthior prnvliicd at the opposite upper and lower 5 the uppenanu tee lower cutterheads, witn- Em: bearing against. the bark plate 5. {,outistopgm g the machine. On the: other :a by all"; sting the belts at), 4-3. the driv- 1 hand; if he wishes reexamine the ,pper: catpol vindits join-n21. yoke may be tiitterhead, he simply disconnects or unconples 5 er? on Lil: top bolt 38 a pivot ('30 21?; to l it from the dnvmg sbait and can then ex- 'aa'ement with the stouk amine it and handle it with impunity as it justably mounted flat upon said plate, is impossible? that by any accident the startdriving pulley carried by said yoke, driving ing of the machine snould start the eut-ter- (onuections from said pulley to said cutter-- head. The'chip breaker being mounted on head, and adjusting means or moving said '9 the stationary back head does not move carrier and its cutterhead toward. and from laterally or transversely 'with the upper cutsaid driving pulley. 1 terhead. This enables me to get a more 3. ln :1 planing machine, cutlerhead, a. delicate and accurate adjustment of the driving pulley therefor, a tranm'ersely dilatter than would be the case if it was l Yided shaft connecting said pulley and cutg, .10 weighted down with all of these adjacent \"rerheud, u loose coupling delachahly retainparts, and 'furihermore it simplifie; the inn together the parts oi said divided shaft mechanism for endwisc movement in opposite directions, Keying described my invention, what I a supporting yoke {or said pulley, and ed claim as he and desire to secure by Letters jueling means. for moving the yoke be; r Patent of the United States is, upward and for rocking it emlviseto bring; 1. Ina planing maehilm, a standard, l the ohn and pulley into 'ulinement with id's;

an upper horizontal eutterhcud adjuaiable euuorhczul. 'thereon, a chip breaker carried by said 4. In a planingmachine, e rut'feifhead, a. standard independently of he cutter-head, driving pulley therefor, a transversely di- 55 driving means for rotating said cutterhead, \ided shaft connecting said, pulley and cub means to raise and lower said cutlerluaad, torhrad, a loose coupling detuehaoly joining driving means and chip breaker together, the parts of said divided shaft, a yoke for and means to move said cullerliead longitusaid pulley, and a' three-point support for dinally independently of said chip breaker said yoke. having: one sl p 'unrting point iii; 5 without stopping the machine. a one side of said yoke and two separated sup- 2. In a planing machine, a supporting porting points at lhe opporlle side thereof,

head empmling across the machine, a broad l said three poinis each including independent i'lul' suppmriing plate also extending across l adjusting means. the machine mounhd fla l. upon the irontl T1 i I f-i e y 3o face of said head to more up and dmyn nniue to this zeciiieaiion, in ihe. plea-Acute e: thereon, operating means for moving said l two suhacrihing witnesses.

plate up and down on said head, a broad flail; CELERLES VJ cuitcrhcad extemjmg LSCIHSS the machine and mounted flat upon said plate to more trans- Witnesses: V .33 versely thereon, a culhrrhead journaled in SAMUEL H. V?- sifid czirrier,'a pulley supporting yoke ndl WILLIAM J. P111. 

